USB Flash Drive
Rev. A.0
3/4 Sep 2006
6. DC Characteristics
Symbol
Parameter
Min.
Typical
Max.
Units
V
DD
Supply voltage for VCC3 or VCC3A
3.0 3.3 3.6 V
V
DD18
Regulator output voltage for VCC or
VCCA
1.62 1.8 1.98 V
V
IL
Input Low Voltage
-0.5 0.8 V
V
IH
Input High Voltage
2.0 V
V
OL
Output Low Voltage (IOL=4mA)
0.4
V
V
OH
Output High Voltage (IOH=4mA)
2.4 V
C
IN
Input pin capacitance
10
pF
I
DD
Supply
current
50 mA
I
SUS
Suspend current (D+1.5K
Ω
)
300
uA
7. Recommended Operating Conditions
Symbol
Parameter
Min.
Typ.
Max.
Units
V
CC33
Power
Supply
Voltage
3.0 3.3 3.3 V
V
IN
Input Voltage
0
Vcc
Vcc + 0.3
V
V
CC25
Internal
Power
Support
2.25 2.50 2.75 V
8. Pin Assignments
Pin No.
Pin Name
Function
1
VCC
USB power input
2
USB D-
USB differential signal
3
USB D+
The pairs are used to transmit Data/Address/Command
4 VSS
Ground
Pin 1
Pin 2
Pin 3
Pin 4
